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Hydro Review!
Test Description: Hydrosphere and Water Quality
Instructions: Answer all questions to get your test result.
1) Which is true about most of the freshwater on Earth?
A
It is found underground
B
It is abundant
C
It is in the atmosphere
D
It is inaccessible
2) Where does most freshwater exist?
A
aquifers, ice caps, glaciers
B
ice caps, lakes, and streams
C
glaciers, rivers, oceans
3) Which best describes the importance of an aquifer?
A
It provides water for oceans.
B
It holds uncontaminated ground water for human consumption.
C
It supplies all water for lakes and rivers.
4) Areas where salt and fresh water mix are known as
A
Intertidal
B
Aquifers
C
Estuaries
D
Oceans
5) True or False: Estuaries have high amounts of biodiversity.
A
True
B
False
6) The term photic means:
A
Intertidal
B
Deep Ocean
C
Absence of light
D
Light
7) Areas where cold, nutrient rich waters are brought to the surface due to winds blowing offshore are known as_________
A
Estuary
B
Aquifer
C
Deep Ocean
D
Upwelling
8) As the temperature of water increases, the amount of dissolved oxygen _________
A
Decreases
B
Increases
C
Stays the same
9) A pH of 7 means the water is at a ______________ state.
A
Neutral
B
Basic
C
Acidic
10) Turbidity measures how:
A
Clear or Cloudy
B
Hot or Cold
C
Acidic or Basic
11) What causes an extremely rapid growth algae (algal blooms or eutrophication)?
A
Oxygen
B
Sunlight
C
Temperature
D
Nitrates and Phosphates
12) True or False: We know where point source pollutions are coming from
A
True
B
False
*select an answer for all questions
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